Contents

Introduction

This is the latest ISD1820 voice recorder module with integrated record and play functions. Easily record your voice by pressing the record button, speaking and then releasing the button when finished. The module is able to playback 10 seconds in total. Connect an 8Ω 3W speaker or an external active speaker for voice output. The module also has a 3 pin digital interface so you can connect it to an Arduino compatible microcontroller as a playback trigger.

Specification

Operating voltage: 5V

Recording time: 10 seconds

Sampling frequency: 6.4KHz

Repeatable recording times: 100,000

Dimensions: 37*35 mm/ 1.46*1.38 inches

Board Overview

Name

Features

SPK1

Speaker (Supports 8Ω@3W speaker)

SPK2

Active Speaker

PLAY

Play Audio

REC

Record (Release the button to stop recording)

Manual Control

Press the record button to record; release the button to stop recording. The module supports 10s of recording and the red LED on the board will flash when the buffer is full.

Press the play button to play the recording; At the end of playback, the red LED on the board will flash once.

This module can control playback with an Arduino compatible microcontroller. See below for details.